twin74s

iTrader: (10)

Heres the scoop. 07 LY6 E38 ecm. Have Crank, Cam signal. Has spark. No injector pulse. VATS is disabled and car will run if you spray brake clean in the intake. My Modis scanner shows that it has injectors pulse. HP tuners shows injector pulse but i never get a noid signal. All injectors have power during cranking and key on.

Things im not sure of. Accessory wakeup serial data wire?
What does this do and what should it be hooked too?

With a volt meter hooked to power and to the ground side of the injector wire it will show ground with key on. Normal? But the ground will not light a test light.

Any help would be greatly appreciated.

THanks David

-TheBandit-

iTrader: (1)

Have you checked that you are getting fuel to the rails?
Do you have adequate/substantial grounding for everything?

ls1nova71

iTrader: (4)

Stuck injectors? How long has the engine sat?

twin74s

iTrader: (10)

Have Good PCM grounds. Engine cranks great, all other sensors work.

There is no injector pulse at the injector therefore they never open. If i ground the injector manually they will open just fine.

Marky522

iTrader: (8)

I would voltage drop the ground side using the scope on your modis (nice tool, I will be upgrading to one soon).

Mark

twin74s

iTrader: (10)

Im not very versed with it yet... Not sure how to do that.

coryfanning

I've got the same problem. Have you figured it out yet?

cutlass_455

iTrader: (2)

When I went to fire my conversion for the first time, it didnt want to fire. I had everything done correctly, but it just wouldnt fire. Sprayed starting fluid in the intake and it lit and died. Ended up being plugged injectors.

Make sure you fuel in the rail and the injectors arent plugged is the moral of my story I guess.

twin74s

iTrader: (10)

IT has no injector pulse...They will never open stuck or not without it.

NO i have made a few calls around and everyone keeps telling me its VATS but my tuner says that it is off. so im just sitting here twiddling my thumbs

99MUSTANG5.3L

From what I understand about the LSx series engines is that they get the injector pulse from the ECM via the ground. I would just double check the injector wiring in your harness. I would start with continuity checks on the injector power and ground. Beats twiddling your thumbs!

twin74s

iTrader: (10)

Going out tonight to work on it some more. Going to start with all the things that i think are working. Start with the basics.

NSTIGATR

iTrader: (4)

any update?? im having the same problem

-TheBandit-

iTrader: (1)

Yes he got it working. The starter enable wire needed to be grounded or starter check needed to be disabled in the PCM. https://ls1tech.com/forums/conversio...l#post13762641